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CVE-2026-53295

mailbox: add sanity check for channel array

Published
Last modified
published
Not listed in CISA KEV
Fix
Fixed in 5.10.258, 5.15.209, 6.1.175, 6.6.141, 6.12.91, and 2 more
None on Exploit-DB, Metasploit or GitHub

Summary

In the Linux kernel, the following vulnerability has been resolved: mailbox: add sanity check for channel array Fail gracefully if there is no channel array attached to the mailbox controller. Otherwise the later dereference will cause an OOPS which might not be seen because mailbox controllers might instantiate very early. Remove the comment explaining the obvious while here.

Timeline

  1. CVE published
  2. Record last updated

Affected versions

  • Linux Linux

    From 2b6d83e2b8b7de82331a6a1dcd64b51020a6031c · fixed in 5cc3300fab262b26c28bc2fc06df693410c3840b; From 2b6d83e2b8b7de82331a6a1dcd64b51020a6031c · fixed in 0f11444271110d9b5bc6316a153c6431abda899c; From 2b6d83e2b8b7de82331a6a1dcd64b51020a6031c · fixed in d44872a569b8fbacde457ff2587a775e5004bb79; From 2b6d83e2b8b7de82331a6a1dcd64b51020a6031c · fixed in 14aed0d4e58389cc6a88acf8610b12d3e476272b; From 2b6d83e2b8b7de82331a6a1dcd64b51020a6031c · fixed in 6362c4a7d7e21e68cd9aa04df7cde16befba3a4b; From 2b6d83e2b8b7de82331a6a1dcd64b51020a6031c · fixed in 9dd7489943324298bb0f385495795a82f1dd6507; From 2b6d83e2b8b7de82331a6a1dcd64b51020a6031c · fixed in 37792091ab28ba030fd8d61184c47d4d51294170; From 2b6d83e2b8b7de82331a6a1dcd64b51020a6031c · fixed in c1aad75595fb67edc7fda8af249d3b886efa1be9

  • Linux Linux

    3.18

  • KernelLinux

    From 3.18.0 · fixed in 5.10.258; From 5.11.0 · fixed in 5.15.209; From 5.16.0 · fixed in 6.1.175; From 6.2.0 · fixed in 6.6.141; From 6.7.0 · fixed in 6.12.91; From 6.13.0 · fixed in 6.18.33; From 6.19.0 · fixed in 7.0.10

References 8

git.kernel.org